A man convicted of killing his ex-girlfriend, whose body remains missing, was sentenced Tuesday to 15 years to life in state prison.
Eduardo Magana, 48, was found guilty by a Chula Vista jury of second-degree murder for the slaying of Alexis Berenice Guadarrama Orozco, 33.
Prosecutors say Guadarrama Orozco met with Magana at the Star Motel in Otay Mesa on July 15, after which all communication between her and her loved ones ceased…